John gelvin



(No Model.)

J. GEL VIN; Machine for Upsetting Iron.

Patented Oct. 26 I880.

, 5 U w/ T A I a \K \%u I .7 I, M wmm m Q UNITED STATES JOHN GELVIN, Q MERGER, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO \VILLIAM MILLER DIGHT, OF SAME PLACE.

MACHINE FOR UPSETTING IRON.

SPECIFICATION forming part of Letters Patent No. 233,747, dated October 26, 1880.

Application filed May 31, 1880.

T 0 all whom it may concern:

Be it known that I, JOHN GELVIN, of Men cer, in the county of Mercer and State of Pennsylvania, have invented certain new and useful Improvements in Machines for Upsetting Iron; and 1 do hereby declare that the following is a full, clear, and exact description thereof, reference being bad to the accompanying drawings, and to the letters of reference marked thereon, which form part of this specification.

The nature of my invention consists in the construction and arrangement of an iron-upsetter, as will be hereinafter more fully set forth.

In order to enable others skilled in the art to which my invention appertains to make and use the same, I will now proceed to describe its construction and operation, referring to the annexed drawings, in whieh Figurel is a plan view of my machine. Fig. 2 is a longitudinal vertical section, and Fig. 3 a transverse vertical section thereof.

A represents the bed of the nrachine,1')rovided with vertical side pieces, 15 B, between which the dies are worked. At one end of the bed is a movable carriage, 0, containing one set of dies, while another set of dies is on the bed itself.

The carriage G is moved backward and forward by means of a crank-shaft, D, provided with a lever, E, and the two cranks on said shaft connected, by pitm en FF, to pins to a, projecting from the sides of the carriage through slots in the side pieces, B B.

In describing the dies it will be understood that one set is on the bed itself and the other set on the movable carriage.

Each set of dies consists of a stationary bottom die, G, and a movable upper die, G. This movable die G rests upon vertical bars I) b, which are pressed upward by means of springs H H under the bed. Above the upper die, G, is pivoted a cam or eccentric, I, provided with a lever, J, for turning the same, so as to press down the top die.

L L are two slotted vertically movable (No model.)

clamps, arranged one in the bed and the'otlrer in the carriage at the outer ends of the dies, and their lower ends are connected to a crossbar, K, which is pivoted to an operating-lever, M.

In the operation of my machine the piece of iron to be upset is heated in the tire, and then passed through the slot in the upper end of the first clamp L, through the two sets of dies, and through the slot in the second clamp L. The grooves or recesses in the dies are made of any size and shape that may be desired. Before putting in the iron the upper or mova- 63 ble dies, G, are thrown up from the lower or stationary dies by the springs H, after turning the cams I out of the way. By now pressing down the lever M the iron is clamped firmly and held in the dies by the slotted clamps L 65 L, and the cams I are turned down to bring the upper dies down onto the lower dies. The crank-shaft D is then turned by means of its lever E, so as to bring up the carriage O, and thereby upset the iron.

The dies may be removed by taking out the pivots of the eccentrics I, and others of different shape may be substituted.

When the cams I are thrown up, the bars I), operated by the springs H, cause the upper dies, G, to rise, for the purpose of giving room to draw the iron out after being upset.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

The combination of the dies G G, crankshaft D, and pitmen F with cams I, sliding bars b, springs H, slotted clamps L, bar K, and lever M, the whole constructed, arranged, and operated substantially as described, and for 85 the purpose set forth.

In testimony that I claim the foregoing as my own invention I affix my signature in pres ence of two witnesses.

JOHN GELVIN.

Witnesses:

H.A. GAMBLE, A. H. MOELRATH. 

